Whether a person carrying concealed could have stopped this demon quickly is debatable in this instance. My understanding is he opened his rampage by throwing tear gas and smoke bombs in an already dimly lit theater. I'm all for concealed carry and think in most cases it could make a large difference, but maybe not in this particular case.

That conclusion is based upon twisted media reporting so may or may not be valid.

What gets me is the discussion of whether this guy is mentally off-balance or not. Who cares!!? He spent at least weeks and probably months meticulously planning this heinous act, then carrying it out with a scratch. Who here gives a chit whether some shrink would say he is nuts? Slow roast his carcass on TV for all the rest of the would be villains to see.